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There are three categories of point mutations:
- Nonsense - the mutated codon is now a stop codon, severely truncating the polypeptide. The protein will no longer function.
- Missense - the mutated codon now codes for a different amino acid, which alters the structure of the polypeptide. If the protein is still functional, it may be inhibited by its different structure, seen in sickle cell anemia. The changed polypeptide may also benefit the organism with a positive phenotype, which fuels evolution.
- Silent - because different arrangements of bases can code for the same amino acid, a mutated codon could code for the same amino acid as before. Effectively, the mutation did not change anything about the polypeptide ― hence, it is "silent."
What else can I help you with?
How does mutation affect a trait?
Mutation can introduce changes in an organism's DNA sequence, potentially affecting the expression of a trait. Depending on the nature and location of the mutation, it can result in a variety of outcomes, from no observable change to a significant alteration in the trait. Mutations can be neutral, harmful, or beneficial in terms of their impact on traits.
How many of the possible outcomes is for the genotype FrFr?
The genotype FrFr is a homozygous dominant combination for the gene in question, so there is one possible outcome for this genotype.
An error in genetic information present in a body cell of a mammal would most likely produce?
An error in genetic information in a body cell of a mammal is likely to produce a mutation. Depending on the specific nature of the mutation, it could potentially lead to a variety of outcomes, ranging from no noticeable effects to genetic disorders or diseases.
Which type of mutation will have the most evolutionary consequence?
A frameshift mutation will have the most serious effects.A frameshift mutation is a type of mutation involving the insertion or deletion of a nucleotide in which the number of deleted base pairs is not divisible by three.Divisible by three is important because the cell reads a gene in groups of three bases.Each group of three bases corresponds to one of 20 different amino acids used to build a protein.If a mutation disrupts this reading frame, then the entire DNA sequence following the mutation will be read incorrectly.
Why is it possible for a point mutation to have no effect on an individual's fitness?
A point mutation may have no effect on an individual's fitness if it occurs in a non-coding region of the DNA or if it results in a silent mutation that does not change the amino acid sequence of a protein. In these cases, the mutation does not impact the individual's ability to survive and reproduce, so it does not affect their fitness.
What are the three possible outcomes for energy in physics?
In physics, energy can have three possible outcomes: it can be transferred, transformed, or conserved.
How many possible outcomes of tossing three coins?
There are 23 = 8 possible outcomes.
How do you draw a table of three teams with three possible outcomes?
With considerable difficulty since there are a lot more than 3 possible outcomes.
What are 2 possible outcomes of competition?
Three possible outcomes:WinLooseDraw
What are three possible outcomes to a two system equation?
THREE
How many outcomes are possible if a six sided cube is tossed three times?
18 outcomes
How do you do a probability?
Number of useful outcomes over number of possible outcomes and simplify it if you can. Imagine you want an even number and you roll a die. There are 6 possible outcomes and three of them are useful outcomes (outcomes we want). 3 6 Simplify it and you get 1 2
If you flip a coin 2 times how many possible outcomes are there How many combinations?
Four outcomes, three combinations.
What are possible outcomes if you roll three dice?
C(8,3) = 56
A possible result of an experiment?
when you toss a coin three times, the total number of possible outcomes is
What kind of mutation results from substitution from one nitrogen base to another?
A substitution mutation occurs when one nitrogen base in the DNA sequence is replaced by another. This can lead to three possible outcomes: it may result in a silent mutation (no change in the amino acid), a missense mutation (a different amino acid is produced), or a nonsense mutation (a premature stop codon is introduced). The specific effect depends on the location and nature of the substitution within the genetic code.
If there are three coins and each is flipped once how many possible outcomes are there?
There are two outcomes for each coin and three coins; 2 x 2 x 2 = 23 = 8 outcomes.
